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0e1f616
(Get the code!)
I even tried to compile the kernel for my machine, following instructions in a Ubuntu forum post on "how to do it" and it didn't work. Turns out when I sought out help in a new post that there was disagreement on some items in the how to post, something about a symlink and where to put it, that the advice given was obsolete, etc. I've done it before, way back about 7 years ago, with Caldera and SuSE and even fiddled with framebuffers to force support for a laptop LCD screen. I'm not supre knowledgable, but I pieced together the information to figure out how to do it all and then posted a step by step procedure on how to get the LCD panel supported in Linux for the Dell Inspiron 7000 so others wouldn't have to piece the information together from various sources. But I am not knowledgeable enough to compile a kernel without step by step directions to follow. (And fortunately, my video devices don't require tinkering with Linux to get them to work now.)
But agree that this should have been fixed by now. Or fork another flavor of Ubuntu for laptops only with the understanding that scanners and some other USB devices might not work. It would be nice to have a "switch" of some sort to enable this feature on the fly or for the next reboot to please everyone if it can't be fixed soon.
I think it's going to be fixed in Gutsy, and I commend those behind the fix. The current alpha didn't fix it for me, though, so it's still a future fix.
I don't see why a generic kernel can't be created and pushed through updates to fix Feisty and just let the laptop users, probably the minority of people (though I might be putting it on mine soon again now that Wine has been changed and might work with it now), let them get a second battery or use the power adapter. I bought two batteries when I bought mine to give me 5 hours or more of use away from a power outlet.
Two questions I have about the power saving feature for laptops:
1. Does it save power when no devices are connected?
2. How much of an improvement in battery life are we talking about with this feature/bug?